The grammar of Nivkh is highly synthetic, with a developed case system, as well as other grammatical markers, but no grammatical gender.
The latter addition of length is traceable to a grammatical marker *'-han' that has elided.
The use of grammatical markers should make semantic sense.
There is no grammatical marker in Thai for the perfective/imperfective aspect.
The second, morphology, is the use of grammatical markers (indicating tense, active or passive voice etc.).
Examples of ablaut as a grammatical marker in Latin are the vowel changes in the perfect stem of verbs.
Contact sign drops the initializations and grammatical markers used in other forms of MCE, but retains basic English word order.
As a result there is no grammatical marker to indicate third-person on inflected forms of nouns or verbs.
Estonian has three distinctive lengths, but the third is suprasegmental, as it has developed from the allophonic variation caused by now-deleted grammatical markers.
The latter addition of length is traceable to a grammatical marker *-han that has elided, with compensatory lengthening.